Hi, I am currently experiencing the same problem. I would be glad to help in troubleshooting it.
Canoscan N650U on Ubuntu 12.04 LTS (x64) Best regards, Andrea Il giorno lun, 26/08/2013 alle 17.13 +0200, Winni ha scritto: > Hi, > again, I tried 20 minutes to scan with the Canonscan N 650U. In > comparison to the last time, all attempts resulted this time in this > awful noise. > I booted WinXP 32-bit (twain drivers) and within 2 minutes two pages > were scanned perfectly. > > How can I help you guys with this? Is there anything I can contribute to > make this scan device work for Linux OS without having skills of writing > code? > > Thanx und regards, > > Winni > > > > -------- Original-Nachricht -------- > Betreff: Re: [sane-devel] Canonscan N 650U LIDE Scanner does not scan > but makes terrible noise > Datum: Sun, 11 Aug 2013 20:25:06 +0200 > Von: Winni <"windose"@kabelmail.de> > An: sane-devel at lists.alioth.debian.org > > Hi, > > I tried with different dpi resolutions. Most of the time it starts with > the horrible noise but sometimes it works. I'd say every 5th try works. > Even calibrating under XSane results in that noise... > > I searched for a plustek config file but could not find it. > > By the way, there is a hint about "awfull noise" in the FAQ.gz at > /usr/share/doc/libsane/plustek/ > > > > SYMPTOM: Scanner makes awful noise > > -------- > > > > PROBLEM: > > -------- > > This can have two major causes: > > - You have an ASIC96001/3 based scanner, then the sensor hits the > > scanbed: !!! TURN OFF SCANNER POWER !!! > > > > - You have an ASIC98001 based scanner, then the motor control does > > not work correctly --> hit the cancel button > > > > SOLUTION: > > --------- > > For the first case (ASIC 96001/3), there's no solution available. This > > happens, when the driver can't keep track of the stepper motor. The image > > you get is normally unusable. > > The second case is often reported when the printer driver lp.o is > > already loaded. So remove lp.o before loading pt_drv. > > > Regards, > Winni > > > >